<|begin_of_text|><|start_header_id|>system<|end_header_id|>Calculate the total emissions change based on activity and energy intensity changes.<|eot_id|><|start_header_id|>user<|end_header_id|>Activity contribution: -11%; Energy intensity contribution: 4%.<|eot_id|><|start_header_id|>assistant<|end_header_id|>The total emissions change is -7%.<|eot_id|>